Free Online Tools
That Just Work
Fast, private, runs in your browser. No signup required.
Text Tools
Word Counter
Count words, characters, sentences, and paragraphs instantly. Free online tool, no signup required.
Password Generator
Generate strong, random passwords with customizable length and character types. Free and secure.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text. Choose paragraphs, sentences, or words. Free online tool.
Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case, and more. Free online tool.
Developer Tools
JSON Formatter & Validator
Format, validate, and beautify JSON data instantly in your browser. Free online JSON tool.
Base64 Encode & Decode
Encode text to Base64 or decode Base64 to text instantly. Free online encoder/decoder.
URL Encode & Decode
Encode text to URL format or decode URL-encoded strings instantly. Free online URL encoder/decoder.
Timestamp Converter
Convert Unix timestamps to dates and dates to Unix timestamps. Free online epoch converter.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text instantly. Free online hash tool.
Regex Tester
Test regular expressions with real-time match highlighting. Free online regex tool.
SQL Formatter
Format and beautify SQL queries with support for multiple dialects. Free online SQL tool.
Diff Checker
Compare two text blocks and see additions and deletions highlighted. Free online diff tool.
Markdown Editor
Write and preview Markdown with live rendering and syntax highlighting. Free online editor.
Markdown to PDF
Convert Markdown to a downloadable PDF file instantly in your browser. Free online converter.
JSON to CSV Converter
Convert JSON to CSV or CSV to JSON instantly. Free online converter with download option.
Image to Base64 Encoder
Convert images to Base64 data URIs instantly. Drag and drop, preview, and copy. Free online tool.
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph, and Twitter Cards. Live Google SERP preview. Free online tool.
robots.txt Generator
Create robots.txt files with a visual editor. Select user-agents, set allow/disallow rules, add sitemap. Free online tool.
Cron Expression Generator
Build cron expressions visually with a human-readable preview. Free online crontab generator.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Includes ASCII table lookup.
Image Tools
Math & Calculators
Unit Converter
Convert between units of length, weight, temperature, volume, and more. Free online converter.
Percentage Calculator
Calculate percentages instantly. What is X% of Y? Free online percentage tool.
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and view amortization schedules. Free online tool.
BMI Calculator
Calculate your Body Mass Index (BMI) with height and weight. See your BMI category and healthy weight range. Free online tool.
Tip Calculator
Calculate tips and split bills easily. Preset and custom tip percentages. Free online tool.
Currency Converter
Convert between 50+ world currencies and crypto with live exchange rates. Free, instant, no signup.
Age Calculator
Calculate your exact age in years, months, and days from any birth date. Free online age calculator.
Fraction Calculator
Add, subtract, multiply, and divide fractions. Convert decimals to fractions and vice versa.
Time Zone Converter
Convert time between cities and time zones worldwide. Live clocks, hour-by-hour comparison table.
Date Calculator
Calculate days between dates, add or subtract days, weeks, and months. Holiday countdowns.
Compound Interest Calculator
Calculate compound interest with visual growth chart. See how your investments grow over time.
Loan Calculator
Calculate monthly loan payments and total interest. Full amortization schedule included.
Design Tools
Color Picker & Converter
Pick colors and convert between HEX, RGB, and HSL formats. Free online color tool.
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor. Linear, radial, and conic gradients. Free.
Color Palette Generator
Generate beautiful color palettes from any base color. Complementary, analogous, triadic, and more. Free.
Aspect Ratio Calculator
Calculate aspect ratios, resize proportionally, and find device screen resolutions.